Perform the subtraction visually using symbols. -8 - (-2)
A. 6
B. -10
C. -6
D. -5
Answer: C
Mathematics
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Use the information below to determine the cardinality of the set. U = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z} C = {v, w, x, y, z}n(A ? B ? C)
A. 10 B. 1 C. 8 D. 9
Mathematics
Provide an appropriate response.A normal random variable X has mean 40 and standard deviation 16. Find the area under the normal curve above the interval 16-60.
A. 0.8089 B. 0.8962 C. 0.7324 D. 0.8276
Mathematics
Find the axis of the graph of the function.f(x) = (x + 1)2 + 7
A. y = -1 B. x = 0 C. x = 1 D. x = -1
Mathematics
Multiply and simplify.
? 
A. 
B. 
C. - 
D. - 
Mathematics